(Xojo Plugin) Xero Upload Attachment

Demonstrates how to upload an attachment to Xero.

For more information, see https://developer.xero.com/documentation/api/attachments#POST

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http

// Important: Make sure your OAuth2 access token was obtained with the scope "accounting.attachments"
// included in the list of scopes.

Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean
success = jsonToken.LoadFile("qa_data/tokens/xero-access-token.json")
If (success = False) Then
    System.DebugLog(jsonToken.LastErrorText)
    Return
End If

http.AuthToken = jsonToken.StringOf("access_token")

// Replace the value here with an actual tenant ID obtained from this example:
// Get Xero Tenant IDs
http.SetRequestHeader "Xero-tenant-id","83299b9e-5747-4a14-a18a-a6c94f824eb7"

http.Accept = "application/json"

Dim url As String
url = "https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/{$Filename}"

// Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
success = http.SetUrlVar("Endpoint","Invoices")

// Guid is the ID of the item, such as the InvoiceID.
success = http.SetUrlVar("Guid","0032f627-3156-4d30-9b1c-4d3b994dc921")

// Filename is the filename of the attachment you are uploading.
success = http.SetUrlVar("Filename","penguins.jpg")

// Load the file to be uploaded (from the local filesystem).
Dim bd As New Chilkat.BinData
success = bd.LoadFile("qa_data/jpg/penguins.jpg")
If (success = False) Then
    System.DebugLog("Failed to load attachment file.")
    Return
End If

// Indicate the content-type according to the file content type.
// Common content-types are:   image/jpg, image/png, application/pdf, application/zip, application/msword
// If you don't know, use application/octet-stream
Dim resp As Chilkat.HttpResponse
resp = http.PBinaryBd("POST",url,bd,"image/jpg",False,False)
If (http.LastMethodSuccess <> True) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

System.DebugLog("Response Status Code: " + Str(resp.StatusCode))

Dim jsonResponse As New Chilkat.JsonObject
success = jsonResponse.Load(resp.BodyStr)
jsonResponse.EmitCompact = False
System.DebugLog(jsonResponse.Emit())

If (resp.StatusCode <> 200) Then
    System.DebugLog("Failed.")

    Return
End If

// A sample response:

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// {
//   "Id": "35333c64-4449-457b-bf6a-1b64d538e3c7",
//   "Status": "OK",
//   "ProviderName": "Chilkat2222",
//   "DateTimeUTC": "\/Date(1587212597758)\/",
//   "Attachments": [
//     {
//       "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2",
//       "FileName": "penguins.jpg",
//       "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg",
//       "MimeType": "image/jpg",
//       "ContentLength": 777835
//     }
//   ]
// }